/*
 * Licensed to GraphHopper GmbH under one or more contributor
 * license agreements. See the NOTICE file distributed with this work for
 * additional information regarding copyright ownership.
 *
 * GraphHopper GmbH licenses this file to you under the Apache License,
 * Version 2.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.graphhopper.jsprit.core.util;

import java.util.Random;

public class RandomNumberGeneration {

    private static long DEFAULT_SEED = 4711L;

    private static Random random = new Random(DEFAULT_SEED);

    public static Random newInstance() {
        return new Random(DEFAULT_SEED);
    }

    public static Random getRandom() {
        return random;
    }

    public static void setSeed(long seed) {
        random.setSeed(seed);
    }

    public static void reset() {
        reset(random);
    }

    public static void reset(Random random) {
        random.setSeed(DEFAULT_SEED);
    }

}
